Home / 161,715.10-242,572.65-73,068.70

Finding the Fourth Proportional to 161,715.10, 242,572.65 and 73,068.70

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Solution

The fourth proportional to 161,715.10, 242,572.65 and 73,068.70 is: 109,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,715.10 : 242,572.65 = 73,068.70 : x
  2. Step 2: Convert to fraction form
    161,715.10/242,572.65 = 73,068.70/x
  3. Step 3: Cross multiply
    161,715.10x = 242,572.65 × 73,068.70
  4. Step 4: Simplify right side
    161,715.10x = 17,724,468,191.06
  5. Step 5: Solve for x
    x = 17,724,468,191.06/161,715.10
  6. Step 6: Final answer
    x = 109,603.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.